/* * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client * Copyright (C) 1999-2014 Hiroyuki Yamamoto * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include #include #include #ifdef G_OS_WIN32 # include #endif #include "gtkutils.h" #include "utils.h" #include "codeconv.h" #include "menu.h" gboolean gtkut_get_str_size(GtkWidget *widget, const gchar *str, gint *width, gint *height) { PangoLayout *layout; g_return_val_if_fail(GTK_IS_WIDGET(widget), FALSE); layout = gtk_widget_create_pango_layout(widget, str); g_return_val_if_fail(layout, FALSE); pango_layout_get_pixel_size(layout, width, height); g_object_unref(layout); return TRUE; } gboolean gtkut_get_font_size(GtkWidget *widget, gint *width, gint *height) { const gchar *str = "Abcdef"; gboolean ret; ret = gtkut_get_str_size(widget, str, width, height); if (ret && width) *width = *width / g_utf8_strlen(str, -1); return ret; } PangoFontDescription *gtkut_get_default_font_desc(void) { static PangoFontDescription *font_desc = NULL; if (!font_desc) { GtkWidget *window; window = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_widget_ensure_style(window); font_desc = pango_font_description_copy (window->style->font_desc); gtk_object_sink(GTK_OBJECT(window)); } return pango_font_description_copy(font_desc); } void gtkut_widget_set_small_font_size(GtkWidget *widget) { PangoFontDescription *font_desc; gint size; g_return_if_fail(widget != NULL); g_return_if_fail(widget->style != NULL); font_desc = gtkut_get_default_font_desc(); size = pango_font_description_get_size(font_desc); pango_font_description_set_size(font_desc, size * PANGO_SCALE_SMALL); gtk_widget_modify_font(widget, font_desc); pango_font_description_free(font_desc); } gboolean gtkut_font_can_load(const gchar *str) { #ifdef G_OS_WIN32 PangoFontDescription *desc; PangoContext *context; PangoFont *font; gboolean can_load = FALSE; desc = pango_font_description_from_string(str); if (desc) { context = pango_win32_get_context(); font = pango_context_load_font(context, desc); if (font) { can_load = TRUE; g_object_unref(font); } g_object_unref(context); pango_font_description_free(desc); } return can_load; #elif defined(__APPLE__) PangoFontDescription *desc; PangoContext *context; PangoFont *font; gboolean can_load = FALSE; desc = pango_font_description_from_string(str); if (desc) { context = gdk_pango_context_get_for_screen (gdk_screen_get_default()); font = pango_context_load_font(context, desc); if (font) { can_load = TRUE; g_object_unref(font); } g_object_unref(context); pango_font_description_free(desc); } return can_load; #else return FALSE; #endif } static gdouble system_dpi = 0.0; gdouble gtkut_get_dpi(void) { gdouble dp, di; if (system_dpi > 0.0) return system_dpi; //dpi = gdk_screen_get_resolution(gdk_screen_get_default()); dp = gdk_screen_get_height(gdk_screen_get_default()); di = gdk_screen_get_height_mm(gdk_screen_get_default()) / 25.4; system_dpi = dp / di; debug_print("gtkut_get_dpi: dpi: %f\n", system_dpi); return system_dpi; } gdouble gtkut_get_dpi_multiplier(void) { gdouble dpi; gdouble mul; dpi = gtkut_get_dpi(); /* 96 / 120 / 144 dpi */ if (dpi > 142) mul = 1.5; else if (dpi > 118) mul = 1.25; else mul = 1.0; return mul; } void gtkut_set_dpi(gdouble dpi) { system_dpi = dpi; } void gtkut_convert_int_to_gdk_color(gint rgbvalue, GdkColor *color) { g_return_if_fail(color != NULL); color->pixel = 0L; color->red = (int) (((gdouble)((rgbvalue & 0xff0000) >> 16) / 255.0) * 65535.0); color->green = (int) (((gdouble)((rgbvalue & 0x00ff00) >> 8) / 255.0) * 65535.0); color->blue = (int) (((gdouble) (rgbvalue & 0x0000ff) / 255.0) * 65535.0); } static gboolean reverse_order = FALSE; void gtkut_stock_button_set_set_reverse(gboolean reverse) { reverse_order = reverse; } void gtkut_stock_button_set_create(GtkWidget **bbox, GtkWidget **button1, const gchar *label1, GtkWidget **button2, const gchar *label2, GtkWidget **button3, const gchar *label3) { g_return_if_fail(bbox != NULL); g_return_if_fail(button1 != NULL); *bbox = gtk_hbutton_box_new(); gtk_button_box_set_layout(GTK_BUTTON_BOX(*bbox), GTK_BUTTONBOX_END); gtk_box_set_spacing(GTK_BOX(*bbox), 6); if (button3) { *button3 = gtk_button_new_from_stock(label3); GTK_WIDGET_SET_FLAGS(*button3, GTK_CAN_DEFAULT); gtk_box_pack_start(GTK_BOX(*bbox), *button3, FALSE, FALSE, 0); gtk_widget_show(*button3); } if (button2) { *button2 = gtk_button_new_from_stock(label2); GTK_WIDGET_SET_FLAGS(*button2, GTK_CAN_DEFAULT); gtk_box_pack_start(GTK_BOX(*bbox), *button2, FALSE, FALSE, 0); gtk_widget_show(*button2); } *button1 = gtk_button_new_from_stock(label1); GTK_WIDGET_SET_FLAGS(*button1, GTK_CAN_DEFAULT); gtk_box_pack_start(GTK_BOX(*bbox), *button1, FALSE, FALSE, 0); gtk_widget_show(*button1); if (reverse_order) gtkut_box_set_reverse_order(GTK_BOX(*bbox), TRUE); } void gtkut_box_set_reverse_order(GtkBox *box, gboolean reverse) { GList *cur; GList *new_order = NULL; gint pos = 0; gboolean is_reversed; g_return_if_fail(box != NULL); is_reversed = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(box), "reverse-order")); if (is_reversed == reverse) return; g_object_set_data(G_OBJECT(box), "reverse-order", GINT_TO_POINTER(reverse)); for (cur = box->children; cur != NULL; cur = cur->next) { GtkBoxChild *cinfo = cur->data; new_order = g_list_prepend(new_order, cinfo->widget); } for (cur = new_order; cur != NULL; cur = cur->next) { GtkWidget *child = cur->data; gtk_box_reorder_child(box, child, pos++); } g_list_free(new_order); } static void combo_button_size_request(GtkWidget *widget, GtkRequisition *requisition, gpointer data) { ComboButton *combo = (ComboButton *)data; if (combo->arrow->allocation.height != requisition->height) gtk_widget_set_size_request(combo->arrow, -1, requisition->height); } static void combo_button_enter(GtkWidget *widget, gpointer data) { ComboButton *combo = (ComboButton *)data; if (GTK_WIDGET_STATE(combo->arrow) != GTK_STATE_PRELIGHT) { gtk_widget_set_state(combo->arrow, GTK_STATE_PRELIGHT); gtk_widget_queue_draw(combo->arrow); } if (GTK_WIDGET_STATE(combo->button) != GTK_STATE_PRELIGHT) { gtk_widget_set_state(combo->button, GTK_STATE_PRELIGHT); gtk_widget_queue_draw(combo->button); } } static void combo_button_leave(GtkWidget *widget, gpointer data) { ComboButton *combo = (ComboButton *)data; if (GTK_WIDGET_STATE(combo->arrow) != GTK_STATE_NORMAL) { gtk_widget_set_state(combo->arrow, GTK_STATE_NORMAL); gtk_widget_queue_draw(combo->arrow); } if (GTK_WIDGET_STATE(combo->button) != GTK_STATE_NORMAL) { gtk_widget_set_state(combo->button, GTK_STATE_NORMAL); gtk_widget_queue_draw(combo->button); } } static gint combo_button_arrow_pressed(GtkWidget *widget, GdkEventButton *event, gpointer data) { ComboButton *combo = (ComboButton *)data; if (!event) return FALSE; gtk_menu_popup(GTK_MENU(combo->menu), NULL, NULL, menu_button_position, combo->button, event->button, event->time); return TRUE; } static void combo_button_destroy(GtkWidget *widget, gpointer data) { ComboButton *combo = (ComboButton *)data; gtk_object_destroy(GTK_OBJECT(combo->factory)); g_free(combo); } ComboButton *gtkut_combo_button_create(GtkWidget *button, GtkItemFactoryEntry *entries, gint n_entries, const gchar *path, gpointer data) { ComboButton *combo; GtkWidget *arrow; combo = g_new0(ComboButton, 1); combo->arrow = gtk_button_new(); arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT); gtk_widget_set_size_request(arrow, 7, -1); gtk_container_add(GTK_CONTAINER(combo->arrow), arrow); GTK_WIDGET_UNSET_FLAGS(combo->arrow, GTK_CAN_FOCUS); gtk_widget_show_all(combo->arrow); combo->button = button; combo->menu = menu_create_items(entries, n_entries, path, &combo->factory, data); combo->data = data; g_signal_connect(G_OBJECT(combo->button), "size_request", G_CALLBACK(combo_button_size_request), combo); #if 0 g_signal_connect(G_OBJECT(combo->button), "enter", G_CALLBACK(combo_button_enter), combo); g_signal_connect(G_OBJECT(combo->button), "leave", G_CALLBACK(combo_button_leave), combo); #endif g_signal_connect(G_OBJECT(combo->arrow), "enter", G_CALLBACK(combo_button_enter), combo); g_signal_connect(G_OBJECT(combo->arrow), "leave", G_CALLBACK(combo_button_leave), combo); g_signal_connect(G_OBJECT(combo->arrow), "button_press_event", G_CALLBACK(combo_button_arrow_pressed), combo); g_signal_connect(G_OBJECT(combo->arrow), "destroy", G_CALLBACK(combo_button_destroy), combo); return combo; } gint gtkut_ctree_get_nth_from_node(GtkCTree *ctree, GtkCTreeNode *node) { g_return_val_if_fail(ctree != NULL, -1); g_return_val_if_fail(node != NULL, -1); return g_list_position(GTK_CLIST(ctree)->row_list, (GList *)node); } void gtkut_ctree_set_focus_row(GtkCTree *ctree, GtkCTreeNode *node) { gtkut_clist_set_focus_row(GTK_CLIST(ctree), gtkut_ctree_get_nth_from_node(ctree, node)); } void gtkut_clist_set_focus_row(GtkCList *clist, gint row) { clist->focus_row = row; GTKUT_CTREE_REFRESH(clist); } #ifdef G_OS_WIN32 static void vadjustment_changed(GtkAdjustment *adj, gpointer data) { GtkWidget *widget = GTK_WIDGET(data); gtk_widget_queue_draw(widget); } #elif defined(__APPLE__) static void clist_select_row(GtkCList *clist, gint row, gint column, GdkEventButton *event, gpointer data) { gtk_widget_queue_draw(GTK_WIDGET(clist)); } #endif void gtkut_clist_set_redraw(GtkCList *clist) { #ifdef G_OS_WIN32 if (clist->vadjustment) { g_signal_connect(G_OBJECT(clist->vadjustment), "changed", G_CALLBACK(vadjustment_changed), clist); } #elif defined(__APPLE__) g_signal_connect(G_OBJECT(clist), "select-row", G_CALLBACK(clist_select_row), NULL); #endif } gboolean gtkut_tree_model_next(GtkTreeModel *model, GtkTreeIter *iter) { GtkTreeIter iter_, parent; gboolean valid; if (gtk_tree_model_iter_children(model, &iter_, iter)) { *iter = iter_; return TRUE; } iter_ = *iter; if (gtk_tree_model_iter_next(model, &iter_)) { *iter = iter_; return TRUE; } iter_ = *iter; valid = gtk_tree_model_iter_parent(model, &parent, &iter_); while (valid) { iter_ = parent; if (gtk_tree_model_iter_next(model, &iter_)) { *iter = iter_; return TRUE; } iter_ = parent; valid = gtk_tree_model_iter_parent(model, &parent, &iter_); } return FALSE; } gboolean gtkut_tree_model_prev(GtkTreeModel *model, GtkTreeIter *iter) { GtkTreeIter iter_, child, next, parent; GtkTreePath *path; gboolean found = FALSE; iter_ = *iter; path = gtk_tree_model_get_path(model, &iter_); if (gtk_tree_path_prev(path)) { gtk_tree_model_get_iter(model, &child, path); while (gtk_tree_model_iter_has_child(model, &child)) { iter_ = child; gtk_tree_model_iter_children(model, &child, &iter_); next = child; while (gtk_tree_model_iter_next(model, &next)) child = next; } *iter = child; found = TRUE; } else if (gtk_tree_model_iter_parent(model, &parent, &iter_)) { *iter = parent; found = TRUE; } gtk_tree_path_free(path); return found; } gboolean gtkut_tree_model_get_iter_last(GtkTreeModel *model, GtkTreeIter *iter) { GtkTreeIter iter_, child, next; if (!gtk_tree_model_get_iter_first(model, &iter_)) return FALSE; for (;;) { next = iter_; while (gtk_tree_model_iter_next(model, &next)) iter_ = next; if (gtk_tree_model_iter_children(model, &child, &iter_)) iter_ = child; else break; } *iter = iter_; return TRUE; } gboolean gtkut_tree_model_find_by_column_data(GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *start, gint col, gpointer data) { gboolean valid; GtkTreeIter iter_; gpointer store_data; if (start) { gtk_tree_model_get(model, start, col, &store_data, -1); if (store_data == data) { *iter = *start; return TRUE; } valid = gtk_tree_model_iter_children(model, &iter_, start); } else valid = gtk_tree_model_get_iter_first(model, &iter_); while (valid) { if (gtkut_tree_model_find_by_column_data (model, iter, &iter_, col, data)) { return TRUE; } valid = gtk_tree_model_iter_next(model, &iter_); } return FALSE; } void gtkut_tree_model_foreach(GtkTreeModel *model, GtkTreeIter *start, GtkTreeModelForeachFunc func, gpointer user_data) { gboolean valid = TRUE; GtkTreeIter iter; GtkTreePath *path; g_return_if_fail(func != NULL); if (!start) { gtk_tree_model_foreach(model, func, user_data); return; } path = gtk_tree_model_get_path(model, start); func(model, path, start, user_data); gtk_tree_path_free(path); valid = gtk_tree_model_iter_children(model, &iter, start); while (valid) { gtkut_tree_model_foreach(model, &iter, func, user_data); valid = gtk_tree_model_iter_next(model, &iter); } } gboolean gtkut_tree_row_reference_get_iter(GtkTreeModel *model, GtkTreeRowReference *ref, GtkTreeIter *iter) { GtkTreePath *path; gboolean valid = FALSE; if (ref) { path = gtk_tree_row_reference_get_path(ref); if (path) { valid = gtk_tree_model_get_iter(model, iter, path); gtk_tree_path_free(path); } } return valid; } gboolean gtkut_tree_row_reference_equal(GtkTreeRowReference *ref1, GtkTreeRowReference *ref2) { GtkTreePath *path1, *path2; gint result; if (ref1 == NULL || ref2 == NULL) return FALSE; path1 = gtk_tree_row_reference_get_path(ref1); if (!path1) return FALSE; path2 = gtk_tree_row_reference_get_path(ref2); if (!path2) { gtk_tree_path_free(path1); return FALSE; } result = gtk_tree_path_compare(path1, path2); gtk_tree_path_free(path2); gtk_tree_path_free(path1); return (result == 0); } void gtkut_tree_sortable_unset_sort_column_id(GtkTreeSortable *sortable) { #if GTK_CHECK_VERSION(2, 6, 0) gtk_tree_sortable_set_sort_column_id (sortable, GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID, GTK_SORT_ASCENDING); #else GtkTreeStore *store = GTK_TREE_STORE(sortable); g_return_if_fail(GTK_IS_TREE_STORE(sortable)); if (store->sort_column_id == -2 && store->order == GTK_SORT_ASCENDING) return; store->sort_column_id = -2; store->order = GTK_SORT_ASCENDING; gtk_tree_sortable_sort_column_changed(sortable); #endif } gboolean gtkut_tree_view_find_collapsed_parent(GtkTreeView *treeview, GtkTreeIter *parent, GtkTreeIter *iter) { GtkTreeModel *model; GtkTreeIter iter_, parent_; GtkTreePath *path; gboolean valid; if (!iter) return FALSE; model = gtk_tree_view_get_model(treeview); valid = gtk_tree_model_iter_parent(model, &parent_, iter); while (valid) { path = gtk_tree_model_get_path(model, &parent_); if (!gtk_tree_view_row_expanded(treeview, path)) { *parent = parent_; gtk_tree_path_free(path); return TRUE; } gtk_tree_path_free(path); iter_ = parent_; valid = gtk_tree_model_iter_parent(model, &parent_, &iter_); } return FALSE; } void gtkut_tree_view_expand_parent_all(GtkTreeView *treeview, GtkTreeIter *iter) { GtkTreeModel *model; GtkTreeIter parent; GtkTreePath *path; model = gtk_tree_view_get_model(treeview); if (gtk_tree_model_iter_parent(model, &parent, iter)) { path = gtk_tree_model_get_path(model, &parent); gtk_tree_view_expand_to_path(treeview, path); gtk_tree_path_free(path); } } #define SCROLL_EDGE_SIZE 15 /* borrowed from gtktreeview.c */ void gtkut_tree_view_vertical_autoscroll(GtkTreeView *treeview) { GdkRectangle visible_rect; gint y, wy; gint offset; GtkAdjustment *vadj; gfloat value; gdk_window_get_pointer(gtk_tree_view_get_bin_window(treeview), NULL, &wy, NULL); gtk_tree_view_widget_to_tree_coords(treeview, 0, wy, NULL, &y); gtk_tree_view_get_visible_rect(treeview, &visible_rect); /* see if we are near the edge. */ offset = y - (visible_rect.y + 2 * SCROLL_EDGE_SIZE); if (offset > 0) { offset = y - (visible_rect.y + visible_rect.height - 2 * SCROLL_EDGE_SIZE); if (offset < 0) return; } vadj = gtk_tree_view_get_vadjustment(treeview); value = CLAMP(vadj->value + offset, 0.0, vadj->upper - vadj->page_size); gtk_adjustment_set_value(vadj, value); } /* modified version of gtk_tree_view_scroll_to_cell */ void gtkut_tree_view_scroll_to_cell(GtkTreeView *treeview, GtkTreePath *path, gboolean align_center) { GdkRectangle cell_rect; GdkRectangle vis_rect; gint dest_x, dest_y; gint margin = 0; if (!path) return; gtk_tree_view_get_cell_area(treeview, path, NULL, &cell_rect); gtk_tree_view_widget_to_tree_coords(treeview, cell_rect.x, cell_rect.y, NULL, &(cell_rect.y)); gtk_tree_view_get_visible_rect(treeview, &vis_rect); dest_x = vis_rect.x; dest_y = vis_rect.y; /* add margin */ if (cell_rect.height * 2 < vis_rect.height) margin = cell_rect.height + (align_center ? 0 : 2); if (cell_rect.y < vis_rect.y + margin) { if (align_center) dest_y = cell_rect.y - (vis_rect.height - cell_rect.height) / 2; else dest_y = cell_rect.y - margin; } if (cell_rect.y + cell_rect.height > vis_rect.y + vis_rect.height - margin) { if (align_center) dest_y = cell_rect.y - (vis_rect.height - cell_rect.height) / 2; else dest_y = cell_rect.y + cell_rect.height - vis_rect.height + margin; } gtk_tree_view_scroll_to_point(treeview, dest_x, dest_y); } void gtkut_tree_view_fast_clear(GtkTreeView *treeview, GtkTreeStore *store) { #if GTK_CHECK_VERSION(2, 8, 0) && !GTK_CHECK_VERSION(2, 10, 0) gtk_tree_store_clear(store); #else /* this is faster than above, but it seems to trigger crashes in GTK+ 2.8.x */ gtk_tree_view_set_model(treeview, NULL); gtk_tree_store_clear(store); gtk_tree_view_set_model(treeview, GTK_TREE_MODEL(store)); #endif } void gtkut_combo_set_items(GtkCombo *combo, const gchar *str1, ...) { va_list args; gchar *s; GList *combo_items = NULL; g_return_if_fail(str1 != NULL); combo_items = g_list_append(combo_items, (gpointer)str1); va_start(args, str1); s = va_arg(args, gchar*); while (s) { combo_items = g_list_append(combo_items, (gpointer)s); s = va_arg(args, gchar*); } va_end(args); gtk_combo_set_popdown_strings(combo, combo_items); g_list_free(combo_items); } gchar *gtkut_editable_get_selection(GtkEditable *editable) { gint start_pos, end_pos; gboolean found; g_return_val_if_fail(GTK_IS_EDITABLE(editable), NULL); found = gtk_editable_get_selection_bounds(editable, &start_pos, &end_pos); if (found) return gtk_editable_get_chars(editable, start_pos, end_pos); else return NULL; } void gtkut_editable_disable_im(GtkEditable *editable) { g_return_if_fail(editable != NULL); #if USE_XIM if (editable->ic) { gdk_ic_destroy(editable->ic); editable->ic = NULL; } if (editable->ic_attr) { gdk_ic_attr_destroy(editable->ic_attr); editable->ic_attr = NULL; } #endif } void gtkut_entry_strip_text(GtkEntry *entry) { gchar *text; gint len; text = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1); len = strlen(text); g_strstrip(text); if (len > strlen(text)) gtk_entry_set_text(entry, text); g_free(text); } void gtkut_container_remove(GtkContainer *container, GtkWidget *widget) { gtk_container_remove(container, widget); } void gtkut_scrolled_window_reset_position(GtkScrolledWindow *window) { GtkAdjustment *adj; adj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(window)); gtk_adjustment_set_value(adj, adj->lower); adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(window)); gtk_adjustment_set_value(adj, adj->lower); } gboolean gtkut_text_buffer_match_string(GtkTextBuffer *textbuf, const GtkTextIter *iter, gunichar *wcs, gint len, gboolean case_sens) { GtkTextIter start_iter, end_iter; gchar *utf8str, *p; gint match_count; start_iter = end_iter = *iter; gtk_text_iter_forward_chars(&end_iter, len); utf8str = gtk_text_buffer_get_text(textbuf, &start_iter, &end_iter, FALSE); if (!utf8str) return FALSE; if ((gint)g_utf8_strlen(utf8str, -1) != len) { g_free(utf8str); return FALSE; } for (p = utf8str, match_count = 0; *p != '\0' && match_count < len; p = g_utf8_next_char(p), match_count++) { gunichar wc; wc = g_utf8_get_char(p); if (case_sens) { if (wc != wcs[match_count]) break; } else { if (g_unichar_tolower(wc) != g_unichar_tolower(wcs[match_count])) break; } } g_free(utf8str); if (match_count == len) return TRUE; else return FALSE; } gboolean gtkut_text_buffer_find(GtkTextBuffer *buffer, const GtkTextIter *iter, const gchar *str, gboolean case_sens, GtkTextIter *match_pos) { gunichar *wcs; gint len; glong items_read = 0, items_written = 0; GError *error = NULL; GtkTextIter iter_; gboolean found = FALSE; wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error); if (error != NULL) { g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n", error->message); g_error_free(error); } if (!wcs || items_written <= 0) return FALSE; len = (gint)items_written; iter_ = *iter; do { found = gtkut_text_buffer_match_string (buffer, &iter_, wcs, len, case_sens); if (found) { *match_pos = iter_; break; } } while (gtk_text_iter_forward_char(&iter_)); g_free(wcs); return found; } gboolean gtkut_text_buffer_find_backward(GtkTextBuffer *buffer, const GtkTextIter *iter, const gchar *str, gboolean case_sens, GtkTextIter *match_pos) { gunichar *wcs; gint len; glong items_read = 0, items_written = 0; GError *error = NULL; GtkTextIter iter_; gboolean found = FALSE; wcs = g_utf8_to_ucs4(str, -1, &items_read, &items_written, &error); if (error != NULL) { g_warning("An error occured while converting a string from UTF-8 to UCS-4: %s\n", error->message); g_error_free(error); } if (!wcs || items_written <= 0) return FALSE; len = (gint)items_written; iter_ = *iter; while (gtk_text_iter_backward_char(&iter_)) { found = gtkut_text_buffer_match_string (buffer, &iter_, wcs, len, case_sens); if (found) { *match_pos = iter_; break; } } g_free(wcs); return found; } #define MAX_TEXT_LINE_LEN 8190 void gtkut_text_buffer_insert_with_tag_by_name(GtkTextBuffer *buffer, GtkTextIter *iter, const gchar *text, gint len, const gchar *tag) { if (len < 0) len = strlen(text); gtk_text_buffer_insert_with_tags_by_name (buffer, iter, text, len, tag, NULL); if (text[len - 1] != '\n') { /* somehow returns invalid value first (bug?), so call it twice */ gtk_text_iter_get_chars_in_line(iter); if (gtk_text_iter_get_chars_in_line(iter) > MAX_TEXT_LINE_LEN) { gtk_text_buffer_insert_with_tags_by_name (buffer, iter, "\n", 1, tag, NULL); } } } gchar *gtkut_text_view_get_selection(GtkTextView *textview) { GtkTextBuffer *buffer; GtkTextIter start_iter, end_iter; gboolean found; g_return_val_if_fail(GTK_IS_TEXT_VIEW(textview), NULL); buffer = gtk_text_view_get_buffer(textview); found = gtk_text_buffer_get_selection_bounds(buffer, &start_iter, &end_iter); if (found) return gtk_text_buffer_get_text(buffer, &start_iter, &end_iter, FALSE); else return NULL; } void gtkut_window_popup(GtkWidget *window) { gint x, y, sx, sy, new_x, new_y; g_return_if_fail(window != NULL); g_return_if_fail(window->window != NULL); sx = gdk_screen_width(); sy = gdk_screen_height(); gdk_window_get_origin(window->window, &x, &y); new_x = x % sx; if (new_x < 0) new_x = 0; new_y = y % sy; if (new_y < 0) new_y = 0; if (new_x != x || new_y != y) gdk_window_move(window->window, new_x, new_y); gtk_window_set_skip_taskbar_hint(GTK_WINDOW(window), FALSE); gtk_widget_show(window); gtk_window_present(GTK_WINDOW(window)); #ifdef G_OS_WIN32 /* ensure that the window is displayed at the top */ gdk_window_show(window->window); #endif } gboolean gtkut_window_modal_exist(void) { GList *window_list, *cur; gboolean exist = FALSE; window_list = gtk_window_list_toplevels(); for (cur = window_list; cur != NULL; cur = cur->next) { GtkWidget *window = GTK_WIDGET(cur->data); if (GTK_WIDGET_VISIBLE(window) && gtk_window_get_modal(GTK_WINDOW(window))) { exist = TRUE; break; } } g_list_free(window_list); return exist; } /* ensure that the window is displayed on screen */ void gtkut_window_move(GtkWindow *window, gint x, gint y) { g_return_if_fail(window != NULL); if (x < 0) x = 0; if (y < 0) y = 0; x %= gdk_screen_width(); y %= gdk_screen_height(); gtk_window_move(window, x, y); } void gtkut_widget_get_uposition(GtkWidget *widget, gint *px, gint *py) { gint x, y; gint sx, sy; g_return_if_fail(widget != NULL); g_return_if_fail(widget->window != NULL); sx = gdk_screen_width(); sy = gdk_screen_height(); /* gdk_window_get_root_origin ever return *rootwindow*'s position */ gdk_window_get_root_origin(widget->window, &x, &y); x %= sx; if (x < 0) x = 0; y %= sy; if (y < 0) y = 0; *px = x; *py = y; } void gtkut_widget_draw_now(GtkWidget *widget) { if (GTK_WIDGET_VISIBLE(widget) && GTK_WIDGET_DRAWABLE(widget)) gdk_window_process_updates(widget->window, FALSE); } static void gtkut_clist_bindings_add(GtkWidget *clist) { GtkBindingSet *binding_set; binding_set = gtk_binding_set_by_class(GTK_CLIST_GET_CLASS(clist)); gtk_binding_entry_add_signal(binding_set, GDK_n, GDK_CONTROL_MASK, "scroll_vertical", 2, G_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD, G_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal(binding_set, GDK_p, GDK_CONTROL_MASK, "scroll_vertical", 2, G_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD, G_TYPE_FLOAT, 0.0); } void gtkut_widget_init(void) { GtkWidget *clist; clist = gtk_clist_new(1); g_object_ref(G_OBJECT(clist)); gtk_object_sink(GTK_OBJECT(clist)); gtkut_clist_bindings_add(clist); g_object_unref(G_OBJECT(clist)); clist = gtk_ctree_new(1, 0); g_object_ref(G_OBJECT(clist)); gtk_object_sink(GTK_OBJECT(clist)); gtkut_clist_bindings_add(clist); g_object_unref(G_OBJECT(clist)); } void gtkut_events_flush(void) { GTK_EVENTS_FLUSH(); }